Important security updates have been released for various Microsoft products, including Office and Visual Studio, in response to active attacks targeting Windows and Windows Server versions. To safeguard systems, administrators are urged to enable Windows Update and install the latest patches.
According to Microsoft, a vulnerability identified as CVE-2025-33053 is being exploited by attackers. This vulnerability, which has a CVSS rating of 8.8 and is classified as “high” risk, allows malicious code to be pushed onto systems through compromised links. It affects several components of the outdated Internet Explorer 11, impacting EdgeHTML and MSHTML. Additionally, WebView, which employs the EdgeHTML platform, is also vulnerable and the components are used in various legacy applications.
For an attack to succeed, users must click on a malicious link. If they do, the attackers can execute harmful code. Microsoft reports that all currently supported versions of Windows and Windows Server, as well as older editions like Windows Server 2008 (which still receive security patches due to the critical nature of this vulnerability), are affected.
Details on the extent of these ongoing attacks and guidance on how administrators can identify compromised systems remain unclear.
Further risks have been identified, including another serious Windows vulnerability (CVE-2025-33073) affecting the SMB protocol, which could allow attackers to gain elevated rights due to inadequate access controls. Microsoft has also flagged additional vulnerabilities in Office and SharePoint Server as critical, emphasizing the urgency for updates, especially since a malicious preview function can introduce threats.
For more information on security patches released during this update cycle, you can visit the Security Update Guide.
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